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My doctor recently diagnosed me with Hashimoto's from a positive thyroid peroxidase antibody test (levels not checked, just that they were there). My TSH, FT3 and FT4 are all well within normal ranges but she thought I should have a trial run of 25mcg levothyroxine as I have a family history of hypothyroid and my symptoms were really affecting my life - mainly fatigue, depression and lack of motivation.
I've been on it for two and a half weeks now and these haven't improved at all, and the last week I've had some new symptoms. I have had a few periods of terrible anxiety, I experience a kind of breathlessness which feels like I can't take in enough air several times a day which is not correlated with exercise, and my heart beats very fast and hard for no apparent reason for up to a few minutes a couple of times a day. I have also had one incidence of what I think was supra ventricular tachycardia, which is when your heart beats hard and fast and then suddenly returns to normal - apparently this can happen in healthy hearts sometimes but it would be a strange coincidence.
I'm worried these could be hyper symptoms, but if they are why am I still experiencing the fatigue and depression? Was my doctor wrong to put me on Levo, even 25mcg? Should I stop taking it?
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